Home / 19,513.60-29,244.88-7,835.02

Finding the Fourth Proportional to 19,513.60, 29,244.88 and 7,835.02

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Solution

The fourth proportional to 19,513.60, 29,244.88 and 7,835.02 is: 11,742.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,513.60 : 29,244.88 = 7,835.02 : x
  2. Step 2: Convert to fraction form
    19,513.60/29,244.88 = 7,835.02/x
  3. Step 3: Cross multiply
    19,513.60x = 29,244.88 × 7,835.02
  4. Step 4: Simplify right side
    19,513.60x = 229,134,219.70
  5. Step 5: Solve for x
    x = 229,134,219.70/19,513.60
  6. Step 6: Final answer
    x = 11,742.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.